The London Plane is very tolerant of atmospheric pollution and root compaction, and for this reason it is a popular urban roadside tree.
Horse Chestnut
Aesculus hippocastanum. Linnaeus named the genus Aesculus after the Roman name for an edible acorn. The use of the term "horse" refers to their strength or inedibility, The word "horse" originally meant strong or powerful, and does not here refer to their fitness as fodder for horses, except in folk etymology.